MCP4462-104E/ST

Product Overview

Category

The MCP4462-104E/ST belongs to the category of digital potentiometers.

Use

It is commonly used as a variable resistor in electronic circuits, providing a digitally controlled resistance value.

Characteristics

• Digital control: The MCP4462-104E/ST can be controlled digitally, allowing for precise adjustment of resistance.
• Wide resistance range: It offers a wide range of resistance values, making it suitable for various applications.
• Low power consumption: The device operates with low power consumption, making it energy-efficient.
• High resolution: It provides high-resolution adjustment, enabling fine-tuning of resistance values.
• Non-volatile memory: The MCP4462-104E/ST retains its settings even when power is removed.

Package

The MCP4462-104E/ST is available in a small surface-mount package, making it suitable for compact electronic designs.

Essence

The essence of the MCP4462-104E/ST lies in its ability to provide a digitally controlled variable resistance, offering flexibility and precision in electronic circuits.

Packaging/Quantity

The MCP4462-104E/ST is typically packaged in reels or tubes, with a quantity of 250 or 3000 units per package.

Specifications

• Resistance Range: 0Ω to 100kΩ
• Resolution: 8 bits (256 steps)
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C

Detailed Pin Configuration

The MCP4462-104E/ST has a total of 14 pins, which are configured as follows:

1. VDD: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. A0: Address selection bit 0
5. A1: Address selection bit 1
6. WP: Write protect input
7. VSS: Ground
8. RDY/BSY: Ready/busy status output
9. RST: Reset input
10. VREF: Reference voltage input
11. VOUTA: Analog output terminal A
12. VOUTB: Analog output terminal B
13. NC: No connection
14. NC: No connection

Functional Features

• Digital control: The MCP4462-104E/ST allows for precise digital control of resistance.
• Non-volatile memory: It retains its resistance settings even when power is removed.
• Increment/decrement control: The device can be programmed to increment or decrement the resistance value.
• Multiple devices in cascade: Several MCP4462-104E/ST devices can be cascaded together to achieve higher resolution.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Low power consumption
• Wide resistance range
• Retains settings without power
• Compact package size

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Requires I2C interface for control

Working Principles

The MCP4462-104E/ST utilizes a combination of digital control and analog circuitry to adjust the resistance value. The digital control signals received through the I2C interface are converted into analog voltages, which are then used to adjust the resistance across the potentiometer.

Detailed Application Field Plans

The MCP4462-104E/ST finds applications in various fields, including:

1. Audio equipment: It can be used for volume control in audio amplifiers and mixers.
2. Industrial automation: It is suitable for calibration and adjustment of industrial control systems.
3. Test and measurement: The device can be utilized for precise resistance simulation in testing equipment.
4. Consumer electronics: It finds applications in devices such as TVs, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. MCP401X: Similar digital potentiometer series with lower resolution (6 bits).
2. MCP453X: Higher-resolution digital potentiometer series with 10-bit resolution.
3. AD840X: Alternative digital potentiometer series from Analog Devices with similar specifications.

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